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Forum: General Discussion Forum 12-17-2018, 12:59 PM
Replies: 68
Views: 9,912
Posted By booster
X2--As Avanti mentioned earlier, it has been so...

X2--As Avanti mentioned earlier, it has been so refreshing to have a thorough, respectful, discussion.
Forum: General Discussion Forum 12-16-2018, 04:29 PM
Replies: 68
Views: 9,912
Posted By booster
What you are saying is very close to what a bunch...

What you are saying is very close to what a bunch of us said as we collected all this data a couple of years ago. It is rather unbelievable that so much of the "accepted" information appeared to be...
Forum: General Discussion Forum 12-16-2018, 01:57 PM
Replies: 68
Views: 9,912
Posted By booster
I think this sums it up well. The...

I think this sums it up well.


The highlighted red, as has been mentioned elsewhere also, is probably the single best way to maintain battery capacity and improve life. The full charge doesn't...
Forum: General Discussion Forum 12-16-2018, 12:38 AM
Replies: 68
Views: 9,912
Posted By booster
This is just for reference from the other...

This is just for reference from the other discussion. These charts were calculated the same was as the tech paper on shown earlier for total lifetime energy of a battery.

...
Forum: General Discussion Forum 12-15-2018, 11:52 PM
Replies: 68
Views: 9,912
Posted By booster
IMO, your reasoning is spot on, and is what some...

IMO, your reasoning is spot on, and is what some us have been saying for a while now. The charts have been badly misinterpreted, IMO, perhaps in an effort to sell folks more batteries than they...
Forum: General Discussion Forum 12-15-2018, 09:53 PM
Replies: 68
Views: 9,912
Posted By booster
I found a specifically explained definition of...

I found a specifically explained definition of "cycle" on the Rolls battery site in this tech manual.


https://www.rollsbattery.com/wp-content/uploads/manuals/Rolls_Battery_Manual.pdf


Hear is...
Forum: General Discussion Forum 12-15-2018, 07:56 PM
Replies: 68
Views: 9,912
Posted By booster
OK, here we go. I found this technical paper. ...

OK, here we go. I found this technical paper.


https://www.researchgate.net/publication/246687286_Lifetime_Modelling_of_Lead_Acid_Batteries


While they do mention cycles both ways for...
Forum: General Discussion Forum 12-15-2018, 07:33 PM
Replies: 68
Views: 9,912
Posted By booster
I think we need to do some common sense logic...

I think we need to do some common sense logic here.


Take the highest number of cycles from Apple at 1000 cycles. At 20% discharge you would get to recharge your device 5000 times by their...
Forum: General Discussion Forum 12-15-2018, 04:48 PM
Replies: 68
Views: 9,912
Posted By booster
I am not going to rehash what has already been...

I am not going to rehash what has already been said, but the note the says DOD 100% refers to the full scale range of the testing. You could have similar charts that go to 80%, which would be more...
Forum: General Discussion Forum 12-15-2018, 04:03 PM
Replies: 68
Views: 9,912
Posted By booster
That is very interesting, and I think your are...

That is very interesting, and I think your are likely correct on the DOD being an influence there.



What immediately jumped out at me (non Apple user so never seen this before) is how low the...
Forum: General Discussion Forum 12-15-2018, 03:51 PM
Replies: 68
Views: 9,912
Posted By booster
For those tech geeks with nothing better to do,...

For those tech geeks with nothing better to do, :D here is a link to the second of two good, and long, discussions on the 50% rule and other related stuff.

...
Forum: General Discussion Forum 12-15-2018, 03:09 PM
Replies: 68
Views: 9,912
Posted By booster
Good information, thanks. I totally agree that...

Good information, thanks. I totally agree that the Apple thing may to simplify it all for the masses, similar to the "average" DOD that Lifeline uses. Great data is only great if everyone can...
Forum: General Discussion Forum 12-15-2018, 02:42 PM
Replies: 68
Views: 9,912
Posted By booster
Thanks Phoebe, got it fixed within the edit time.

Thanks Phoebe, got it fixed within the edit time.
Forum: General Discussion Forum 12-15-2018, 02:15 PM
Replies: 68
Views: 9,912
Posted By booster
Earlier you said this Your earlier...

Earlier you said this




Your earlier statement says that a cycle is any group of charge and discharge events that ADD UP TO 100%.


If you are reading the chart and then putting the add up...
Forum: General Discussion Forum 12-15-2018, 02:23 AM
Replies: 68
Views: 9,912
Posted By booster
Here is a link to Bogart Engineering's site with...

Here is a link to Bogart Engineering's site with their very well written article on why they don't use Peukert in their monitors. It explains their ideas very well, and they mesh with what I have...
Forum: General Discussion Forum 12-15-2018, 12:28 AM
Replies: 68
Views: 9,912
Posted By booster
"When I read between the lines I see:" Was...

"When I read between the lines I see:" Was Markopolo's post, but I will comment, as I don't think he is incorrect in his evaluation


Your definition is exactly what we were discussing earlier...
Forum: General Discussion Forum 11-17-2018, 03:55 PM
Replies: 68
Views: 9,912
Posted By booster
That is an often discussed question, and I don't...

That is an often discussed question, and I don't know that we ever got a good answer to it. The manufacturers of the batteries are squishy on an answer usually saying stuff like small discharges and...
Forum: General Discussion Forum 11-09-2018, 07:24 PM
Replies: 68
Views: 9,912
Posted By booster
I have no idea if it is correct or not, but a...

I have no idea if it is correct or not, but a tech I talked to said that they monitor the vehicle itself for the serious control of battery charging, so the basically try to only turn on the battery...
Forum: General Discussion Forum 11-09-2018, 04:21 PM
Replies: 68
Views: 9,912
Posted By booster
They will only do that if you move the voltage...

They will only do that if you move the voltage sensing wire to the coach batteries instead of the starting battery. There is also a risk to it in that the voltage the van and starting battery can...
Forum: General Discussion Forum 11-09-2018, 03:03 PM
Replies: 68
Views: 9,912
Posted By booster
You don't want a voltage only gauge for battery...

You don't want a voltage only gauge for battery monitoring. You need a true battery monitor that keeps track of the power you use, and the power you put back into the battery. This is one, but shop...
Forum: General Discussion Forum 11-09-2018, 02:55 PM
Replies: 68
Views: 9,912
Posted By booster
All that Marko said is right on, especially on...

All that Marko said is right on, especially on the very high probability that you are essentially never getting your battery fully charged.
Forum: General Discussion Forum 11-09-2018, 02:48 AM
Replies: 68
Views: 9,912
Posted By booster
You need to get a battery monitor like a...

You need to get a battery monitor like a Trimetric if you want to actually know for sure what your state of charge is all the time. Well worth the cost and effort to install IMO.


You may also...
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